The Cipher Challenge Contest
- 376
- Challenges
- 14,404
- Active members
You like riddles? Then this is your place!
MysteryTwister is a cipher contest, where you can solve cryptographic riddles (challenges) of different difficulty levels. If you are successful, you will be immortalized in the Hall of Fame.Challenges in four levels
Four degrees of difficulty, from pen & paper to complex mathematical problems
Recent solves
Cogite
Solved Level 1 challenge Double Columnar Transposition
Moth
Solved Level 1 challenge Number Sequence
Moth
Solved Level 1 challenge Advent-Challenge — Part 1
Koji
Solved Level 1 challenge Letter to the Templars — Part 1
OpOnion
Solved Level 1 challenge Original Caesar Cipher
Koji
Solved Level 1 challenge Beaver Code
Koji
Solved Level 1 challenge Original Caesar Cipher
danny
Solved Level 1 challenge Number Sequence
Challenges in four levels
Four degrees of difficulty, from pen & paper to complex mathematical problems